#6845: Model validation and its propagation to ModelForms
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Reporter: Honza_Kral | Owner: Honza_Kral
Status: new | Milestone: 1.2
Component: Forms | Version: SVN
Resolution: | Keywords: newforms validation model
modelform ep2008
Stage: Accepted | Has_patch: 1
Needs_docs: 1 | Needs_tests: 1
Needs_better_patch: 1 |
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Comment (by Honza_Kral):
Replying to [comment:65 sampablokuper]:
> This might not be the right place to ask the question, but can anyone
point me towards a document explaining the rationale under which Django's
developers decided that:
>
> * most validation rules must be specified at the "forms" layer,
although an a handful of them, e.g. max_length, can be specified at the
model layer if desired
>
> rather than deciding that:
>
> * validation rules should ''all'' be specified at the "model" layer and
bubble up from there, with the option to override them for specific forms
if needed
This was not decided, it just wasn't implemented. This ticked and the
accompanying patch fixes that for you. After this ticket is resolved you
should be able to define all your model validation on Models and only use
form validation for some extra stuff or for forms that aren't ModelForms.
And yes, this isn't exactly a good place to ask a question like this, try
the django-dev mailing list if you want more information.
--
Ticket URL: <http://code.djangoproject.com/ticket/6845#comment:67>
Django <http://code.djangoproject.com/>
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